﻿using FineUI;
using SysManage.BLL;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web.UI.WebControls;
using ZHDJ.Core;
using ZHDJ.Data.Models.SeekHelp;
using ZHDJ.PersonalCenter.BLL;
using ZHDJ.WebPage;

namespace ZHDJ.PersonalCenter.Module.SeekHelp
{
    public partial class SeekHelpList : PageBase
    {
        #region ViewPower

        /// <summary>
        /// 本页面的浏览权限，空字符串表示本页面不受权限控制
        /// </summary>
        public override string ViewPower
        {
            get
            {
                return "SeekHelpView";
            }
        }
        #endregion

        private DataSet DataSource
        {
            get
            {
                return PartySeekHelp.GetListData(Grid1.PageIndex, Grid1.PageSize, CurrentUser.LoginID, txtName.Text.Trim(), ddlType.SelectedValue, ddlState.SelectedValue);
            }
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BindControl();
                LoadData();
            }
        }

        #region 数据加载
        private void LoadData()
        {
            // 权限检查
            CheckPowerWithButton("SeekHelpAdd", btnAdd);

            btnAdd.OnClientClick = Dialog.GetShowReference("SeekHelpEdit.aspx", "新增求助");

            // 每页记录数
            Grid1.PageSize = ConfigHelper.PageSize;

            BindGrid();
        }

        private void BindControl()
        {
            ControlBusiness.ControlBindDataDictionary(ddlType, SysDataDictionary.DonationType, true);
            ControlBusiness.ControlBindDataDictionary(ddlState, SysDataDictionary.DonationState, true);
        }

        private void BindGrid()
        {
            Grid1.RecordCount = Convert.ToInt32(DataSource.Tables[1].Rows[0][0]);
            Grid1.DataSource = DataSource.Tables[0];
            Grid1.DataBind();
        }

        protected void Grid1_PreDataBound(object sender, EventArgs e)
        {
            // 数据绑定之前，进行权限检查
            CheckPowerWithWindowField("SeekHelpEdit", Grid1, "editField");
            CheckPowerWithLinkButtonField("SeekHelpDelete", Grid1, "deleteField");
        }

        protected void Grid1_Sort(object sender, GridSortEventArgs e)
        {
            Grid1.SortDirection = e.SortDirection;
            Grid1.SortField = e.SortField;
            BindGrid();
        }

        protected void ddlGridPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlGridPageSize.SelectedValue);
            BindGrid();
        }

        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            Grid1.PageIndex = e.NewPageIndex;
            BindGrid();
        }

        protected void Grid1_RowCommand(object sender, GridCommandEventArgs e)
        {
            string id = GetSelectedDataKeyID(Grid1);

            if (e.CommandName == "Delete")
            {
                // 在操作之前进行权限检查
                if (!CheckPower("SeekHelpDelete"))
                {
                    CheckPowerFailWithAlert();
                    return;
                }

                var del = DB.PartySeekHelps.FirstOrDefault(t => t.ID == id);
                DB.PartySeekHelps.Remove(del);
                DB.SaveChanges();
                BindGrid();
            }
        }
        #endregion

        #region 按钮事件


        protected void btnDeleteSelected_Click(object sender, EventArgs e)
        {
            // 在操作之前进行权限检查
            if (!CheckPower("SeekHelpDelete"))
            {
                CheckPowerFailWithAlert();
                return;
            }

            // 从每个选中的行中获取ID（在Grid1中定义的DataKeyNames）
            List<string> ids = GetSelectedDataKeyIDs(Grid1);

            // 执行数据库操作
            DB.PartySeekHelps.Where(u => ids.Contains(u.ID)).ToList().ForEach(u => DB.PartySeekHelps.Remove(u));
            DB.SaveChanges();

            // 重新绑定表格
            BindGrid();
        }

        /// <summary>
        /// 查询按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnSearch_Click(object sender, EventArgs e)
        {
            BindGrid();
        }
        #endregion

        protected void Dialog_Close(object sender, EventArgs e)
        {
            BindGrid();
        }

    }
}